Home / 212,288.52-318,381.68-62,488.10

Finding the Fourth Proportional to 212,288.52, 318,381.68 and 62,488.10

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Solution

The fourth proportional to 212,288.52, 318,381.68 and 62,488.10 is: 93,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,288.52 : 318,381.68 = 62,488.10 : x
  2. Step 2: Convert to fraction form
    212,288.52/318,381.68 = 62,488.10/x
  3. Step 3: Cross multiply
    212,288.52x = 318,381.68 × 62,488.10
  4. Step 4: Simplify right side
    212,288.52x = 19,895,066,258.01
  5. Step 5: Solve for x
    x = 19,895,066,258.01/212,288.52
  6. Step 6: Final answer
    x = 93,717.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.